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# Copyright 2016-2017 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import traceback
import logging
import urllib2
import uuid
import httplib2
from driver.pub.config.config import MSB_SERVICE_IP, MSB_SERVICE_PORT, AAI_BASE_URL, AAI_USER, AAI_PASSWORD
rest_no_auth, rest_oneway_auth, rest_bothway_auth = 0, 1, 2
HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED = '200', '201', '204', '202'
status_ok_list = [HTTP_200_OK, HTTP_201_CREATED, HTTP_204_NO_CONTENT, HTTP_202_ACCEPTED]
HTTP_404_NOTFOUND, HTTP_403_FORBIDDEN, HTTP_401_UNAUTHORIZED, HTTP_400_BADREQUEST = '404', '403', '401', '400'
logger = logging.getLogger(__name__)
def call_req(base_url, user, passwd, auth_type, resource, method, content=''):
callid = str(uuid.uuid1())
logger.debug("[%s]call_req('%s','%s','%s',%s,'%s','%s','%s')" % (
callid, base_url, user, passwd, auth_type, resource, method, content))
ret = None
resp_status = ''
try:
full_url = combine_url(base_url, resource)
headers = {'content-type': 'application/json', 'accept': 'application/json'}
if user:
headers['Authorization'] = 'Basic ' + ('%s:%s' % (user, passwd)).encode("base64")
ca_certs = None
for retry_times in range(3):
http = httplib2.Http(ca_certs=ca_certs, disable_ssl_certificate_validation=(auth_type == rest_no_auth))
http.follow_all_redirects = True
try:
resp, resp_content = http.request(full_url, method=method.upper(), body=content, headers=headers)
resp_status, resp_body = resp['status'], resp_content.decode('UTF-8')
logger.debug("[%s][%d]status=%s,resp_body=%s)" % (callid, retry_times, resp_status, resp_body))
if resp_status in status_ok_list:
ret = [0, resp_body, resp_status]
else:
ret = [1, resp_body, resp_status]
break
except Exception as ex:
if 'httplib.ResponseNotReady' in str(sys.exc_info()):
logger.debug("retry_times=%d", retry_times)
logger.error(traceback.format_exc())
ret = [1, "Unable to connect to %s" % full_url, resp_status]
continue
raise ex
except urllib2.URLError as err:
ret = [2, str(err), resp_status]
except Exception as ex:
logger.error(traceback.format_exc())
logger.error("[%s]ret=%s" % (callid, str(sys.exc_info())))
res_info = str(sys.exc_info())
if 'httplib.ResponseNotReady' in res_info:
res_info = "The URL[%s] request failed or is not responding." % full_url
ret = [3, res_info, resp_status]
except:
logger.error(traceback.format_exc())
ret = [4, str(sys.exc_info()), resp_status]
logger.debug("[%s]ret=%s" % (callid, str(ret)))
return ret
def req_by_msb(resource, method, content=''):
base_url = "http://%s:%s/" % (MSB_SERVICE_IP, MSB_SERVICE_PORT)
return call_req(base_url, "", "", rest_no_auth, resource, method, content)
def combine_url(base_url, resource):
full_url = None
if base_url.endswith('/') and resource.startswith('/'):
full_url = base_url[:-1] + resource
elif base_url.endswith('/') and not resource.startswith('/'):
full_url = base_url + resource
elif not base_url.endswith('/') and resource.startswith('/'):
full_url = base_url + resource
else:
full_url = base_url + '/' + resource
return full_url
def call_req_aai(base_url, user, passwd, auth_type, resource, method, content=''):
callid = str(uuid.uuid1())
logger.debug("[%s]call_req('%s','%s','%s',%s,'%s','%s','%s')" % (
callid, base_url, user, passwd, auth_type, resource, method, content))
ret = None
resp_status = ''
try:
full_url = combine_url(base_url, resource)
headers = {'content-type': 'application/json', 'accept': 'application/json',
'X-FromAppId': 'VFC-SVNFM-ZTE-DRIVER', 'X-TransactionId': str(uuid.uuid1())}
if user:
headers['Authorization'] = 'Basic ' + ('%s:%s' % (user, passwd)).encode("base64")
ca_certs = None
for retry_times in range(3):
http = httplib2.Http(ca_certs=ca_certs, disable_ssl_certificate_validation=(auth_type == rest_no_auth))
http.follow_all_redirects = True
try:
resp, resp_content = http.request(full_url, method=method.upper(), body=content, headers=headers)
resp_status, resp_body = resp['status'], resp_content.decode('UTF-8')
logger.debug("[%s][%d]status=%s,resp_body=%s)" % (callid, retry_times, resp_status, resp_body))
if resp_status in status_ok_list:
ret = [0, resp_body, resp_status]
else:
ret = [1, resp_body, resp_status]
break
except Exception as ex:
if 'httplib.ResponseNotReady' in str(sys.exc_info()):
logger.debug("retry_times=%d", retry_times)
logger.error(traceback.format_exc())
ret = [1, "Unable to connect to %s" % full_url, resp_status]
continue
raise ex
except urllib2.URLError as err:
ret = [2, str(err), resp_status]
except Exception as ex:
logger.error(traceback.format_exc())
logger.error("[%s]ret=%s" % (callid, str(sys.exc_info())))
res_info = str(sys.exc_info())
if 'httplib.ResponseNotReady' in res_info:
res_info = "The URL[%s] request failed or is not responding." % full_url
ret = [3, res_info, resp_status]
except:
logger.error(traceback.format_exc())
ret = [4, str(sys.exc_info()), resp_status]
logger.debug("[%s]ret=%s" % (callid, str(ret)))
return ret
def call_aai(resource, method, data=''):
return call_req_aai(AAI_BASE_URL, AAI_USER, AAI_PASSWORD, rest_no_auth, resource, method, data)
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